from tkinter import *

root = Tk()

lbred = Label(root, text="Red", fg="Red", relief=GROOVE)
lbred.pack()
lbgreen = Label(root, text="绿色", fg="green", relief=GROOVE)
lbgreen.pack()
lbblue = Label(root, text="蓝", fg="blue", relief=GROOVE)
lbblue.pack()
root.mainloop()